Fire crews found a fire on an outdoor staircase Thursday morning at a business in East Nashville.
An alarm sent crews to the scene at 10th Street and Fatherland just before 6 a.m.
Firefighters found a small fire on a back staircase at Galena Garlic and quickly extinguished it.
No damage was reported inside the building, and crews say it is likely the affected businesses could open Thursday.
Investigators said their initial inspection hinted that the fire was suspicious in nature.
Crews closed 10th Street near Fatherland while they worked.